Measurement Computing CIO-DI48 - Manual (Page 14)

5.2 CIO-DI48 REGISTERS
The CIO-DI48 uses eight registers. Their function is listed on Table 5-1.
Table 5-1. CIO-DI48 Registers
None None BASE + 7
None Read Port 2C Data BASE + 6
None Read Port 2B Data BASE + 5
None Read Port 2A Data BASE + 4
None None BASE + 3
None Read Port 1C Data BASE + 2
None Read Port 1B Data BASE + 1
None Read Port 1A Data BASE + 0
WRITE FUNCTION READ FUNCTION ADDRESS
PORTS 1A and 2A DATA
BASE ADDRESS + 0 and +4
A0 A1 A2 A3 A4 A5 A6 A7
0 1 2 3 4 5 6 7
PORTS 1B and 2B DATA
BASE ADDRESS + 1 and +5
B0 B1 B2 B3 B4 B5 B6 B7
0 1 2 3 4 5 6 7
PORTS 1C and 2C DATA
BASE ADDRESS + 2 and +6
C0 C1 C2 C3 C4 C5 C6 C7
0 1 2 3 4 5 6 7
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